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ares vs BlastEm: catalog facts
ares	BlastEm
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the GPL.
Windows, macOS, Linux	Windows, macOS, Linux
It descends from higan and bsnes and deliberately trades performance for clear, accurate cores across a long list…	Cycle accuracy that handles demos other emulators fail Fast enough for old hardware despite the accuracy
The accuracy focus means it needs more CPU than fast emulators, and the interface is plain.	Small project with occasional releases Interface is minimal
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.